AS51561 ICUK Computing Services Limited

Company Website:

https://www.icuk.net/

Looking Glass:

https://bgp.he.net/lg/51561

Country of Origin:

Internet Exchanges: 3

Prefixes Originated (all): 64
Prefixes Originated (v4): 62
Prefixes Originated (v6): 2

Prefixes Announced (all): 64
Prefixes Announced (v4): 62
Prefixes Announced (v6): 2

RPKI Originated Valid (all): 6
RPKI Originated Valid (v4): 6
RPKI Originated Valid (v6): 0

RPKI Originated Invalid (all): 1
RPKI Originated Invalid (v4): 1
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 141
BGP Peers Observed (v4): 133
BGP Peers Observed (v6): 73

IPs Originated (v4): 70,912
AS Paths Observed (v4): 2,204
AS Paths Observed (v6): 1,225

Average AS Path Length (all): 3.647
Average AS Path Length (v4): 3.641
Average AS Path Length (v6): 3.656

AS51561 IPv4 Peers

ASN	Name
AS13335	Cloudflare, Inc.
AS3356	Level 3 Parent, LLC
AS174	Cogent Communications, LLC
AS2914	NTT America, Inc.
AS6939	Hurricane Electric LLC
AS137409	GSL Networks Pty LTD

AS51561 IPv6 Peers

ASN	Name
AS174	Cogent Communications, LLC
AS6939	Hurricane Electric LLC
AS3356	Level 3 Parent, LLC
AS2914	NTT America, Inc.

AS51561 IPv4 Peer Count

AS51561 IPv6 Peer Count

AS51561 IPv4 Prefixes Announced

AS51561 IPv6 Prefixes Announced

AS51561 IPv4 Prefixes Originated

AS51561 IPv6 Prefixes Originated

AS51561 IPv4 Route Propagation

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AS51561 IPv6 Route Propagation

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Prefix	Description	Visibility
Loading Prefixes...

Prefix	Description
2.56.84.0/22	ICUK Computing Services Limited
5.133.168.0/23	Jibba Jabba Internet Services Ltd
5.133.170.0/23	Jibba Jabba Internet Services Ltd
5.254.162.0/23	Gary Hall
5.254.164.0/23	ADSL_MA
37.235.43.0/24	Shetland Broadband LLP
45.93.112.0/22	ICUK Computing Services Limited
45.145.86.0/23	Fluidity Connect Limited
46.33.128.0/19	ICUK Computing Services Limited
46.33.128.0/24	Interdsl Network Structure
46.33.130.0/24	Interdsl
46.33.156.0/24	ICUK Computing Services Limited
46.102.192.0/19	ICUK Computing Services Limited
46.102.192.0/24	Interdsl
46.102.193.0/24	Interdsl
46.226.120.0/24	Agile ICT Ltd
80.93.207.0/24	Kinetic Centres Limited
80.95.192.0/20	ICUK Computing Services Limited
80.209.128.0/19	ICUK Computing Services Limited
80.209.128.0/24	ICUK Computing Services Limited
80.209.155.0/24	ICUK Computing Services Limited
80.209.159.0/24	ICUK Computing Services Limited
80.209.160.0/20	ICUK Computing Services Limited
80.209.176.0/21	ICUK Computing Services Limited
80.209.184.0/22	ICUK Computing Services Limited
80.247.216.0/24	CEF (W) SA
82.39.142.0/24	VersaTek
89.107.24.0/22	CSD Communications Ltd
91.233.33.0/24	Metropolitan Networks UK Ltd
138.124.128.0/20	ICUK Computing Services Limited
138.124.128.0/24	ICUK Computing Services Limited
138.124.134.0/24	ICUK Computing Services Limited
138.124.135.0/24	ICUK Computing Services Limited
138.124.136.0/24	ICUK Computing Services Limited
138.124.137.0/24	ICUK Computing Services Limited
138.124.138.0/24	ICUK Computing Services Limited
138.124.142.0/24	ICUK Computing Services Limited
181.215.32.0/24	No Metric Limited
185.2.236.0/22	ICUK Computing Services Limited
185.32.55.0/24	David Tomlinson & Paul McAllion trading as Lantec Systems
185.132.52.0/24	NWIMS-Communications
185.137.240.0/24	ICUK Global CDN Platform
185.140.16.0/23	ICUK Computing Services Limited
185.140.18.0/23	ICUK Computing Services Limited
185.145.152.0/22	ICUK Computing Services Limited
185.145.152.0/24
185.152.2.0/24	Will Dear
185.201.208.0/22	CTR Communications Limited
185.234.255.0/24	Network 79 Ltd
185.243.62.0/24	Multidata Ltd
185.243.63.0/24	Multidata Ltd
185.253.88.0/24	Adrian Morris
188.211.249.0/24	Select Comms LTD
188.240.160.0/19	ICUK Computing Services Limited
188.240.160.0/24	Interdsl
188.240.172.0/24	Interdsl
188.240.173.0/24	Interdsl
188.240.191.0/24	Interdsl
193.161.9.0/24	HP Networks Ltd
193.161.10.0/24	HP Networks Ltd
193.187.0.0/24	Select Comms LTD
205.157.160.0/19	ICUK Computing Services Limited

Prefix	Description	Visibility
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Prefix	Description
2a00:b900::/32	ICUK Computing Services Limited
2a00:b900:2::/48	ICUK Computing Services Limited

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Cloudflare, Inc.		AS13335
2	Level 3 Parent, LLC	X	AS3356
3	Cogent Communications, LLC	X	AS174
4	NTT America, Inc.	X	AS2914
5	Hurricane Electric LLC	X	AS6939
6	GSL Networks Pty LTD	X	AS137409
7	BR.Digital Telecom		AS14840
8	Angola Cables	X	AS37468
9	Exascale Ltd		AS61049
10	IP-Max SA	X	AS25091
11	iFog GmbH	X	AS34927
12	meerfarbig GmbH & Co. KG	X	AS34549
13	SEACOM Limited	X	AS37100
14	PJSC "Vimpelcom"		AS3216
15	F5 Networks SARL	X	AS35280
16	Bharti Airtel Ltd		AS9498
17	GlobalConnect AB	X	AS12552
18	Broadband Hosting B.V.		AS20562
19	Liquid Telecommunications Ltd	X	AS30844
20	EDGEUNO S.A.S	X	AS7195
21	INTERKVM HOST SRL	X	AS6204
22	Blix Solutions AS	X	AS50304
23	ALOO TELECOM - FSF TECNOLOGIA SA		AS61568
24	FLAG TELECOM UK LIMITED		AS15412
25	IELO-LIAZO SERVICES SAS	X	AS29075
26	xTom GmbH	X	AS3214
27	PEER 1031 LLC		AS1031
28	Fiber Telecom S.p.A.	X	AS41327
29	Dimension Data		AS3741
30	31173 Services AB	X	AS39351
31	CJSC RASCOM		AS20764
32	ALT \| GRUPO BRASIL TECPAR		AS53062
33	GlobeNet Cabos Submarinos Colombia, S.A.S.	X	AS52320
34	Core-Backbone GmbH		AS33891
35	SG.GS	X	AS24482
36	NOVACONN SRL	X	AS203462
37	Stadtwerke Feldkirch	X	AS48362
38	euNetworks GmbH		AS13237
39	West Indian Ocean Cable Company		AS37662
40	Network Platforms (PTY) LTD		AS37497
41	Ote SA (Hellenic Telecommunications Organisation)		AS12713
42	WIND TRE S.P.A.		AS1267
43	atom86 BV	X	AS8455
44	CELESTE SAS	X	AS34177
45	Telkom SA Ltd.		AS5713
46	Inferno Communications Ltd		AS207841
47	Peravix Group LTD	X	AS204208
48	Wavenet Limited	X	AS5413
49	i3D.net B.V	X	AS49544
50	Cyprus Telecommunications Authority	X	AS6866
51	Claranet Limited	X	AS8426
52	ADISTA SAS		AS16347
53	NetActuate, Inc	X	AS36236
54	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
55	Convergenze S.p.A.		AS39120
56	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
57	M247 Europe SRL		AS9009
58	Anexia Cloud Solutions GmbH	X	AS42473
59	IX Reach Ltd		AS4455
60	Global Network Management Inc		AS31500
61	Micron21 Datacentre Pty Ltd		AS38880
62	Worldline IGSA SA		AS47957
63	Sota Solutions Ltd.	X	AS31742
64	Hydra Communications Ltd		AS25369
65	VeloxServ Communications Ltd	X	AS3170
66	Exatel S.A.		AS20804
67	PT. Cyberindo Aditama		AS38158
68	Inovare-Prim SRL		AS60602
69	SIACOM JSC		AS198150
70	RISE		AS63927
71	Vorboss Limited	X	AS25160
72	Mainone Cable Company		AS37282
73	Ljosleidarinn ehf		AS12969
74	SNETTERTON TELECOM LIMITED		AS201060
75	EX Networks Limited	X	AS35266
76	IP ServerOne Solutions Sdn Bhd		AS45352
77	BSE Software GmbH		AS9044
78	MIGO TELECOM		AS263152
79	Kantonsschule Zug	X	AS34288
80	Cogent Communications, LLC	X	AS1239
81	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
82	CustodianDC Limited	X	AS50300
83	Delta Telecom Ltd		AS29049
84	Telehouse EAD		AS57344
85	NetIX Communications JSC		AS57463
86	PT. Internet Madju Abad Millenindo	X	AS45701
87	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
88	Adam Goodenough	X	AS210667
89	Continent 8 LLC		AS14537
90	Emirates Integrated Telecommunications Company PJSC		AS15802
91	Anycast Global Backbone	X	AS58511
92	Cool Ideas Service Provider (Pty) Ltd		AS37680
93	Misaka Network, Inc.	X	AS917
94	Novelcomm LP	X	AS206735
95	Virtual Technologies & Solutions		AS37721
96	Tismi BV	X	AS62167
97	Converge ICT Solutions Inc.		AS17639
98	IP TELECOM	X	AS61573
99	Blacknight Internet Solutions Limited	X	AS39122
100	Australian Academic and Research Network (AARNet)		AS7575
101	team.blue NV	X	AS48185
102	AFR-IX TELECOM S.A.	X	AS60171
103	NHM - S.R.L.		AS62275
104	Wifirst S.A.S.	X	AS52075
105	Public Internet Ltd		AS28792
106	Valve Corporation	X	AS32590
107	Neterra Ltd.		AS34224
108	Cyrus Mbitao trading as Wofbit Networks		AS207113
109	KDDI Europe Ltd		AS6894
110	Invesco Group Services, Inc.	X	AS14630
111	Rocket Fibre Ltd	X	AS8801
112	Jump Networks Ltd	X	AS8943
113	Cilix Limited		AS215638
114	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
115	SARL IPSET		AS206014
116	Proximus Luxembourg S.A.	X	AS56665
117	Unitas Global	X	AS1828
118	CORIX NETWORKS		AS999
119	DSM (GB) Limited	X	AS48070
120	ParadoxNetworks Limited	X	AS52025
121	Optua Telecommunications Limited		AS202076
122	MainStreaming SpA	X	AS51185
123	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
124	Axclusive		AS132337
125	Lancom Ltd.		AS199081
126	Lagrange Cloud Technologies Limited	X	AS209735
127	Rackdog, LLC	X	AS398465
128	Netia SA		AS12741
129	Webmate Internet Services Ltd.		AS199204
130	National Telecom Public Company Limited		AS4651
131	ONETIS TECNOLOGIA LTDA		AS267256
132	Tiggee LLC	X	AS16552
133	Viewqwest Pte Ltd		AS18106

Rank	Description	IPv4	Peer
1	Cogent Communications, LLC	X	AS174
2	Hurricane Electric LLC	X	AS6939
3	Level 3 Parent, LLC	X	AS3356
4	NTT America, Inc.	X	AS2914
5	xTom GmbH	X	AS3214
6	IP-Max SA	X	AS25091
7	Angola Cables	X	AS37468
8	meerfarbig GmbH & Co. KG	X	AS34549
9	SEACOM Limited	X	AS37100
10	F5 Networks SARL	X	AS35280
11	iFog GmbH	X	AS34927
12	Lagrange Cloud Technologies Limited	X	AS209735
13	GlobalConnect AB	X	AS12552
14	NOVACONN SRL	X	AS203462
15	MoeDove LLC		AS44324
16	Stadtwerke Feldkirch	X	AS48362
17	Zayo Infrastructure France SA		AS8218
18	EDGEUNO S.A.S	X	AS7195
19	Blix Solutions AS	X	AS50304
20	Liquid Telecommunications Ltd	X	AS30844
21	GlobeNet Cabos Submarinos Colombia, S.A.S.	X	AS52320
22	GSL Networks Pty LTD	X	AS137409
23	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
24	EX Networks Limited	X	AS35266
25	Sota Solutions Ltd.	X	AS31742
26	Blacknight Internet Solutions Limited	X	AS39122
27	Vorboss Limited	X	AS25160
28	Conor Lewis		AS214420
29	Tiggee LLC	X	AS16552
30	Tismi BV	X	AS62167
31	Cogent Communications, LLC	X	AS1239
32	Claranet Limited	X	AS8426
33	AFR-IX TELECOM S.A.	X	AS60171
34	Jump Networks Ltd	X	AS8943
35	Adam Goodenough	X	AS210667
36	NetActuate, Inc	X	AS36236
37	Proximus Luxembourg S.A.	X	AS56665
38	CELESTE SAS	X	AS34177
39	Cyprus Telecommunications Authority	X	AS6866
40	Peravix Group LTD	X	AS204208
41	DSM (GB) Limited	X	AS48070
42	Wifirst S.A.S.	X	AS52075
43	Jude Gabriel Powell		AS213798
44	Anexia Cloud Solutions GmbH	X	AS42473
45	Invesco Group Services, Inc.	X	AS14630
46	Rackdog, LLC	X	AS398465
47	SG.GS	X	AS24482
48	IP TELECOM	X	AS61573
49	team.blue NV	X	AS48185
50	MainStreaming SpA	X	AS51185
51	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
52	Fiber Telecom S.p.A.	X	AS41327
53	Anycast Global Backbone	X	AS58511
54	31173 Services AB	X	AS39351
55	VeloxServ Communications Ltd	X	AS3170
56	Novelcomm LP	X	AS206735
57	i3D.net B.V	X	AS49544
58	Rocket Fibre Ltd	X	AS8801
59	IELO-LIAZO SERVICES SAS	X	AS29075
60	PT. Internet Madju Abad Millenindo	X	AS45701
61	ParadoxNetworks Limited	X	AS52025
62	Digiweb ltd		AS31122
63	TECHIT.BE SRL		AS213241
64	Kantonsschule Zug	X	AS34288
65	INTERKVM HOST SRL	X	AS6204
66	Lewis Foster		AS215332
67	Wavenet Limited	X	AS5413
68	Misaka Network, Inc.	X	AS917
69	Unitas Global	X	AS1828
70	CustodianDC Limited	X	AS50300
71	Zain Omantel International FZ-LLC		AS8529
72	atom86 BV	X	AS8455
73	Valve Corporation	X	AS32590

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RIPE

aut-num: AS51561 as-name: AS-ICUK org: ORG-ICSL4-RIPE import: from AS174 accept ANY import: from AS3356 accept ANY import: from AS2914 accept ANY export: to AS174 announce AS-ICUK export: to AS3356 announce AS-ICUK export: to AS2914 announce AS-ICUK admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: ICUK-MNT created: 2010-09-28T13:41:49Z last-modified: 2026-02-24T16:52:22Z source: RIPE remarks: cf-validation: 30b6d34f3d64496a9a733f6622439db3 remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: ****************************

Exchange	CC	City	IPv4	IPv6
LINX LON1	GB	London	195.66.226.191	2001:7f8:4::c969:1
LINX LON2	GB	London	195.66.238.191	2001:7f8:4:1::c969:1
LoNAP	GB	London	5.57.81.134	2001:7f8:17::c969:1

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